var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
const userRouter = require('./routes/admin/userRouter');

const newsRouter = require('./routes/admin/newsRouter');

const webnewsRouter = require('./routes/web/newsRouter');

const webproductRouter = require('./routes/web/productRouter');

const productRouter = require('./routes/admin/productRouter');


const JWT = require('./utils/JWT');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
console.log(path.join(__dirname, ''))
app.use(express.static(path.join(__dirname, 'public')));


app.use('/', indexRouter);
app.use('/users', usersRouter);

app.use(webnewsRouter)

app.use(webproductRouter)



//adminapi    后台系统用
// webapi     官网用

app.use((req, res, next) => {
  //token有效next  过期返回401
  if (req.url == '/adminapi/user/login') {
    next()
    return
  } else {
    const token = req.headers.authorazation.split(' ')[1]
    if (token) {
      var payload = JWT.verify(token)
      console.log(payload)
      if (payload) {
        const newToken = JWT.generate({
          _id: payload._id,
          username: payload.username
        }, '1d')
        res.header('Authorazation', newToken)
        next()
      } else {
        res.status(401).send({ errCode: '-1', errorInfo: 'token过期' })
      }
    }
  }
})

app.use(userRouter)

app.use(newsRouter)

app.use(productRouter)



// catch 404 and forward to error handler
app.use(function (req, res, next) {
  next(createError(404));
});

// error handler
app.use(function (err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
